Aerial conveyer system



' flan. 8, 1929.

' H. L. TURNEY AERIAL CONVEYER SYSTEM Filed June 5, 1924 4 Sheets-Sheet H. L. TURNEY AERIAL CONVEYER SYSTEM Jan. 8; 1929.

4 Sheets-Sheet 2 Filed June 5, 1924 llklllvll lu l ill I III] ll l II II. II

m o w m i o o o o o o o o o o\% o o m N$ Q m n m mm a k Jan. 8, 1929. 1,697,939

' H. L. TURNEY AERIAL CONVEYER SYSTEM Filed June 5; 1924 4 Sheets-Sheet 3 FIG. 3.

Jan. 8, 1929.

H. L. TURNEY AERIAL CONVEYER SYSTEM Filed June 5, 1924 4 Sheets-Sheet 4 Patented Jan. 8, 1929.

martin srarss HARRY L. TUBNEY, OF PORTLAND, OREGON.

AERIAL convEY nR svsrnivr.

Application filed June a;

This invention is designed in the main to accomplish the purposes set forth in an application filed by me Apr. 10, 1924;, Serial No. 705,597 and as in said application it is of particular advantage in the handling of logs and the invention is exemplified in connection with such use although it will be understood that other materials may be used. In describing the invention, therefore, I have given to the different parts and lines the designations usually applied to such parts inthe logging industry but it will be understood that the use or" such designations is'a matter of convenience rather than a limitation of the invention to this particular operation.

The invention involves the use of a standing line or support and a travelling carrier on the support which can be moved along the standing line to any point desired. It in volves a skidding line operating over the carrier with means to pull slack on the skidding line at the point desired and devices for locking theskidding line with the carrier to carry the logs to the destination desired and means for releasing the skidding line to deposit the log at such point, the device being capable of gathering the logs at any point along the standing line and of depositing the logs at any point along the standing line. Features and details of the invention will appear from the following specification and claims. e

The invention is illustrated in the accompanying drawings as follows I Fig. 1 shows a perspective View of a logging system. v

Fig. 2 acentral sectionot the carrier on the lines 22 in Figs. 3 and d.

Fig. 8 a section on the line 38 in 2.

Fig. 4: a section on the line it-4 in Fig. 2.

Fig. 5 a plan View of the logging or hoisting engine operating the lines of the system.

1 marks the head tree which is guyed by the usual lines 1, and 2 the tail tree which-is guyed by the usual linesPf.

The standing line 3 is supported on a shoe 4 on the tail tree and secured at an anchor 5. The standing line'is supported on the head tree by a jack 6 mounted on the head tree andterininates at one of a set of blocks 7, theother of the blocks I being connected by an anchor line'S to some conyenient ai'ichorage. A heel line 10 is run through the block 7 over a pulley 11 secured to the head tree by a strap. 12 and extends to a heel block112 on the logging engine 13. It will readily be seen by operating the heel line- 1924. Serial no. 717,557.

the standing line may be given any tension desired. While I have shown a standing line 7 as a support for the carrier it will be understood that any convenient support may be used and need not be in the form of a flexible" cable as shown. r 'A carrier 14: s mounted on the standing line 3 and a skiddi n line 15leads through the carrier fromthe logs or load 16 to .a block 17 mounted by means of a strap 18,011 the head tree. The skidding llIlQ'iS carriedto a skidding drum 19 on the'engine. The holdcarried by a strap 22 on the head tree. a The purpose ofthis line is to control a clanip for locking the skidding line with the carrier.-

A slack pulling line 28 is secured by a swivel 29 to the skidding line and carried through a sheave 30 on the carrier, and thence through a blockSlsecured to the head'tree by a strap-32 to a slack -pulling line drum 33011 the engine. I 2 I p The carrier is pulled out by the trip-line 20, the skidding line, grip line and pullback line being played-out with it'and when the carrier reaches a. position oppositethe logs the hold back line 20 is locked and the-tension on the gripline increased. Thisreleases the skidding line and slack'is 'pulled'by the slack pulling line 28 so that the free end of the skidding linecan becarried t'o'the load.

The load is engaged andthe skiddingline pulled in so as to lift the load: to the position desired. The griptline' is; then operated (by releasing tension in this instance) to lock the skidding line with the carrier. The load is then brought to the desired destination by pulling in the skidding line, the grip line and slackpulling. linesfollowing in as the skidding, line is pulled in and thetrip line being played out as the skidding line is pulledin'.

When: the logs are at the'jdestination' the trip lineis locked and the grip 'lineis put under increased tension thus releasing the skidding I line and the load is loweredto the position desired by playing out thfe'skidding line.

Y The mechanism for accomplishing these operations so far asthe, ,carrien-is concerned is as follows: .The carrier-is carried by grooved I wheels Tlhese are nounted' on'axles se cured'between side plates 36. A sheave 37 1s 7 j ournaled on a pin 88 secured to the side plates 36 by extensions on whi'chhiut-s 39 arefp'lace'd. The skidding line extends between jaws 40 and ll of a locking clamp and thence through" guide sheaves 42 and 43 carried by pins id and 45between the plates.

Theclainp is provided with the removable \vorkingsnrfaces 46 which aresecurednn the I clampjawsby means ofscrews-4t7. A series of'toggle bars48 are arrangedalongthe jaw 41 and-are pivotally connectedtherewith by.

7 pins 49; The'opposite ends oft-hese bars or levers are mounted .on. pins ,50 securedfin an anchor plate 51.: The anchor. plate has 6Xi1611 sio'ns 52 which'extend to the side plates and the anchor plate is:secured betweenthe. side plates by.- a series-of bolts 53; Supporting plates 5-1 are s'ecuredi tothe sideplates by rivets 55 and form shoulders at their upper edges niakingiainore secure-base for. the anchon plate 5.1 in order to sustain the: severe strain to which the anchor plate is subjected. 'Bhejaw 4 0. is unounted on a series oi bars 55 which are pivotallyvv connected with the jaw securedin; the anchor plate 58;

by pins 56. The opposite ends of the levers or= bars 55 are mounted on' pins 57 which are The anchor plate 58-has the side extensions 59 and the plateis secured-to the-side plates bybolts 60.

' bans48 are extended forming levers 67. The

anchorplate is cut away at 68 and the supportingplate 61 is cutaway at 69 affording a pmssage next to{ the side-plates for these levers. A liHk-ZO is arrangedlbetween the ends .of the levers67 andrconnectedithcreto by apin 71. The'opposite end of the link 7 0 extends between the armsyoi av forked lever 73andis connected: thereto by a pin The lever 73 s' mounted on a; pm 'Z l, thls pin having a head ornut T5 at one. side and is secured-by a nut 76 at the opposite side; The end-bars ot the series of .bazrs 5'5 are extended forming levers??? A-l-in'k 78 isarranged between the ends of theselevers connected thereto by a1 pin 7;9. The opposite endof. the link 78extendsbetween the, arms of a. forked extension of; the-lever andgisiconnr-zcted 7v with the lever j by a; ,It-will readily be. seen: that as the level} 3 is; swung the. j aws 4:0" and 41 are swinig to and from the skidding line.

The means for swin vin the lever: 73 and thus setting the clamp or strip on the skidding line is as follows A rod81 extends'through a guide block 83 which guide block is secured by bolts 2% be tween the plates 36. A spring 85 is anchored on the block 83 and operates against a collar 86n1oun'tedon the rod 81 and adjustably se- V cured thereon by a nut 87. A pin 82extends through a slot-88 in one of the side plates and abar- 89is securedto the outerend of the pin 82 and extends along the side plate throu h-a uide 90' the uide being'securet i O (D 7 O to the plate by bolts 91; The line 20 iss'e-a onred to the bar 89. The trip line is secured to the carrier by a bail'92'wliic'h issecured to the platesby a pin 93.

4 In the operation of the carrier, the" carrier is stopped. at the desired point and the grip line autunder tension so as to overcome the. spring 85. This swings the lever u clockwise and opens the j aws 40 and ll through the lever connections before 'described. The skidding lineis released and slack pulled through the slack pullingiline. The load is then engaged and the skidding line pulled out giving the load the desired position, tension beingpreter'ably kept on the grip line so as to maintain thejaws ofthe clamp in open position. When the log or loadlias reached'the dcsi'red position thetension on the grip line is decreased sufficiently to permit the spring to close the jaws. The

skidding ine then pulled" in, the trip line being played out as desired; As the. load comes on the clamp it tends to increase the clamping action so that any tendency of the skidding line to: slip under the force of the load isobviated, When the carrier reaches the desired position ford epositingtlie load the trip line is set and the tension is p'ut'on lUO the grip line and the skidding line is preterably given a slight movement to assist. the

grip line in opening the aws. The aws'then move to thelr open position and are held in this posltion by the grip'line and the skidding. lineis played-out to deposit the load as desired.

The frame of the enginel3 is made up of the side beams 94' connected by crossheains 95 in the usual manner. vid-eid with a boiler 96 Engines 97. are sd curcd to the frame and operate on cranks 98. The cranks are mounted 011 the drive sha'tt 99, this shaft being journaled Vin-bearings 100 on the side beams and an intermediate beam 9%.

As shown prO- Gears 1 01 and" 102 of different dian'ieters Y mesh with gears 1'03 and" 104 respectively toy and the gears 10$and 10% are locked with ais hait 105" by in'eans'oi f a clutch niecl'ia'nisrn 1'65 actuated by a friction ated. mechanism 10? on the end of the give diiierent speeds this mechanism being similar to and ope:at1ng as shown in my Patent #1,362,3i3,

Dec. 14th, 1920. A gear 108 meshes with the gear 101. The gear 108 is mounted on a shaft 109 carried by bearings 110. The heel block drum 112 has a clutch 111 which can be locked with the gear 108 by means of a friction device 113st the end of the shaft 109. The heel block drum is also provided with the usual brake 11 1. The operation of this drum is apparent and is used simply to put the tension in the standing line.

A gear 115 is mounted on the shaft 106 and meshes with an internal gear 116. The inv ternal gear 116 is adapted to be locked by ill means of a clutch 1.17 with the'skidding drum 19. The gear 116 and drum 19 are mounted on a shaft 118 mounted in bearings 119. The clutch 11? is operated by a friction device 120 at the end of the shaft.

A brake band 1280perates on abrake surface 127 on the drum. he brake band is actuated by a shaft 129. A rock arm 130 operates the shaft 129, the rock arm being actuated by a ram131. The ram is supplied through a pipe 132 controlled by a variable pressure fluid controlling valve 133. Through this valve, which may be of any of the usual types varying pressure may be delivered'to the ram as desired so as to give the brake pressure desired, to lock or control the load through the trip line. This is of importancein that where logs are carried down steep slopes the holdback or trip line is depended upon to prevent the log running away and one of the particular advantages of my construction is that the skidding line is locked in the carrier under all conditions and cannot be reIeased when the log moves ahead of the carrier by reason of ground contour. The gear 121 is fixed a on the shaft 122 and meshes with a gear 13 1 on an intermediate shaft 135. The shaft 135 is mounted in bearings 136. Agear 13? is fixed on the shaft 135 and meshes with agoar 138. ,The gear 138 is mounted on a shaft 139. The shaft is mounted in bearings 1 10 in the frame. The slack pulling line drum .33 is mounted on the shaft 139 and is in frictional engagement with the gear 138 at all times. A friction plate 1&1 is arranged on the side of the gear 138 and opposes a friction plate 142.

I A friction lining 1 13 is arranged between these plates. The plate 142 is mounted on the side of the drum. At the opposite side of the drum there is a friction plate 144 opposing a friction plate 1 16 with an intervening friction material l45between these plates.

A; driver 147 is'splined on the shaft. 139. The V A brake 117 is rovlded for the skiddm drum and The push pin is actuated by a head 152, the head being sub ected to the action of a diaphragm 153 in a diaphragm case 1541-. Pressure is maintained on this diaphragm at all times so that the friction surfaces between the drum and the gear and the drum and the driver are maintained at all times. The pressure may, however, be very much modified if it is desired to carry the normal tension on the slack pulling line ust su'llicient to keep the line under tension but insufficient to pull the slack. The diaphragm is controller througha pipe 156 which extends to a control valve 157, this control valve being of the vari able pressure control'type. The drum 33 has under all conditions a higher speed than the skidding drum 19, the gearing 102.121, 134:, 137 and 138 giving quite a preponderance of speedto the slack pulling line drum over the drum 19. Consequently the tensions I have heretofore described are maintained on the slack pulling line as the skidding line is ac-' tu'ated so the slack pulling line is maintained normally under tension sufficient to take the slack out of the line itself. If this is not sufficient and it is desired to pull slack additional pressure may be gotten through the control valve to the diaphragm and thus sutiicienttension to be placed on the slack pulling line to pull slack. Somewhat ,the same inechanism is employed with regard to the grip line 20. Opposing friction faces 158 and 159 are arranged on the gear 138 and drum 23 respectively with a friction disc 159 between them. Opposing friction faces 160 and;1611 are arranged. at the opposite end of the drum with a friction disc 162 between them, the

face 160 being secured to the drum and the opposite face to a. driver 163. The driver is splined on the shaft 139. A spring 164 is arranged betweenthe driver and .a collar 165 and its pressure is exerted against against the friction surfaces to keep them in engage sent. A pin 166 arranged througha shaft operates on the collar and a, friction device 16? operates onthc pin. The friction device fluid actuated and is controlled through a pipe 168 extending to a variable pressure control valve 169. In this device the normal tension on the grip line is not sufficient overcome the tension of the spring but is sim-' ply sufficient to keep the slack out of the line.

I 1 i The operatlon of the device is as follows:-

Theoperat-or sets the trip line drum 27 and agaged the skidding line drum is set this pulls the carriage out, into the lield. During this time-the'skidding line is retarded by the brake llT andthe grip line is retarded because the gear 138 rotates the drums 33 and 23 i-n a direction tending to wind up the grip and pull in lines. The friction created by the diaphra'gins V is controlled by the Valves 157 and 169 is set very light during this operation',j ust sufiicient to keep the slack'out of the lines going out hut'not sufficient in the grip line to operate the spring 85. l t "hen the carriage reaches its destination the trip line drum isreleased from the clutch and locked by the hrake. High pressure is put on the clutches controlling the grip line drum 23 so as to give sufiicient tension, to the grip line tOOVGI'CODlB the spring v The skidding line is released sufiiciently to permit the slack pulling by the slack pulling line and this may be accomplished by the added pressure through the valve 157 it c es'ired. YVhen the load is en- 7 and raises the load to the desired position. The high tension on the'grip line is then released and this permits the spring to set the clamp. T he brake on the trip line isthcn released and the load is drawn in by the skidding line, the slack in the pull in and grip lines being taken up by the added speed of ti e drums controlling these lines. T hen the carriage reaches the point desired the trip line locked and the grip line subjected to high pressure releasing the clamp. If desired the skidding line 'inay be given a slight forward movement to assist in releasing the clamp. The skirt ding line is then played out lowering the load by the manipulation of the brake. After the deposit of the load the skidding line is pulled back to the position desired and the high tension released on the grip line, thus locking the skidding line With the carriage and the v carriage is then drawn out through the action V of the trip line.

support; a skidding line running posed to the skid'il the skidding line with the c 'WVhat I claim as new is i u In an aerial conveyor sy em, thecoinbination of a carrier support; a carrier on the to the carrl'er; a trip line running to the carrier and opposed-to the skidding line means operating from a fixed point and'at dili'erent positions of the carrier on the support locking the skirt ding line with the carrier and Y "net the pull "of the load and releasing said line from the carrier; and independenti operating In an aerial conveys? support; rier; a trip line ru J ing line;

the pull of the load and releasi from the 0 'ier; acontrol line op i. 73 means; and a slack pulling linepulhng' the eer,

slack oi the skidding line, said lines being operated from the same point.

5. in an aerial conveyor system, the cone bination of a carrier support; a carrier on the support; a skidding line running to the carrier; a trip line running from thecarrier; a

control line leading to the'carrier; a slack pulling line leading tot-he carrier 5' an apparatus for operating said lines to move the carrier to and hold the same at various positions on the support; means actuated through a the action of said lines and at diil'erent points onthe support at the WIll of the operator locking against the pull or" the load inter mediate portions of the skidding line as desired with andre easmg the same fromt-he carrier and pulling slack in the skidding line r 5. In an aerial conveyor system, the comi hination or a carrier support; a carrieroh" the support; a control apparatus on the carrier; a skidding line running to thecarrier;

skidding drum actuating the skidding line; a control line running to the carrier and actuating the control apparatus; a slack pulling line running to the carrier and pulling the slack of the skidding line; a control drum actuating the control line; and. a con-- tinuously yielding, driving mechanism for the control drum.

6. In an aerial conveyer system, the combination of a carrier support a" carrier on the support; a control apparatus on the car-' rier; a skidding line running to the carrier; a skidding drum actuating the skidding line; a control line running to the carrier and actuating" the control apparatus; a slack pulling linerunning to the carrier and pullv ing the slack of the skiddingline; a'control drum actuatlng the control line; a continur ously yielding driving me chanisn'i for the 7 control drum; :1 slack pulling linedruni actuating the slack pullii' 'liney tinuousiy yieldiu driving uecl'iz-inisin i'or the slack pulling line drum. v i

7. In an aerial conveyer' system the coulion ot a carrier support; carrier on a skidding linerunning to the carrier;

a control line running actuating the control apparatus; a slack line; a slack pulling line drum actuating the slack pulling line; and a continuously yield- 7 kidding druinactuating I the skidding I to the carrier ing line for pulling slack in theskidding upportia control-apparatus on the car-v ing driving mechanism for the slack pulling line drum. e

8. In an aerial conveyer system, the coinhination of a carrier support; a carrier on the support; a control apparatus on the carrier; a skidding line running to the carrier; a skidding drum actuating the skidding line; a control line running to the carrier and actuating the control apparatus: a slack pulling line for pulling slack in the skidding line; a slack pulling line drum actuating the slack pulling line; and a continuously yielding driving mechanism for the slack pulling line drum, said driving mechanism giving the slack pulling line drum a greater speed than the skidding drum.

' 9. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a control apparatus on the carrier; a skidding line running to the carrier; a skidding rum actuating the skidding line; a control line running to the carrier and actuating the control apparatus; a slack pulling line'running to the carrier and pull ing the slack of the skidding line; a control drum actuating the control line; a continuously yielding driving mechanism for the control drum; a slack pulling line drum actuating the slack pulling line; and a continuously yielding driving mechanism for the slack pulling line drum, said driving mechanisms giving to the control drum and the slack pulling line drum the skidding line drum.

10. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a control apparatus on the carrier; a skidding line running to the carrier; a skidding line drum actuating' the skidding line; a control line running to the carrier and actuating the control apparatus; a control drum actuating the control line; a continuously yielding driving mechanism for the control drum; devices varying the driving force of the mechanism; and a slack pulling line pulling slack with the skidding line.

11. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a control apparatus on the carrier; a skidding line running to the carrier; a skidding line drum actuating the skidding line; a control line running to the carrier and actuating the control apparatus; a control drum actuating the control line; a continuously yield- I ing driving mechanism for the control drun devices varying the driving force of the mechanism; a slack pulling line pulling slack with the skidding line; a slack pulling line drum actuating the slack pulling line; and a yield ing driving mechanism for the slack pulling line drum.

12. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a control apparatus for the carrier;

greater speeds than [iii a skidding line running to the'carrie'r; a skidding l ne drum actuating the skiddmg line; a control llne running to thecarrier and actuating the control apparatus; a'slack pulling line running to the carrier and pulling Slack in, the skidding line; a slack pulling line drum hination of a carrier support; a carrier on the support; a skidding line running'to the carrier; a trip line running to thecarrier; a control line running to the carrier; a slack pulling line running to the carrier; and means operated from a fixed point in connection With said lines holding the carrier at various positions on the support at the will of the operator, lockin and releasing the skidding line with and from the carrier comprising a continuously yielding driving mechanism for the slack pulling line.

14. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a skidding line running to the car rier; a strip line running to the carrier; a control line running to the carrier; a slack pulling line running to the carrier; and means operated from a fixed point in connection With said lines holding the carrier at'various positions on the supportat the Will of the operator, locking and releasing theskidding line with andvfrom the carrier comprising a continuously yielding driving mechanism for the slack pulling line and a continuously actuating mechanism for the control line.

15. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a skidding line running to the carrier; a trip line running to the carrier; a control line running to the carrier; aslack pulling line running to the carrier; and means operated from a fixed point in connection 'With said lines holdin the carrier at various positions on the support at theWill of the operator, locking and releasing the skidding line With. and from the carrier comprising a continuously yielding driving mechanism for the slack pulling line and a continuously actuatinginechanism for the control line, said mechanisms giving to said lines a greater speed than. the skidding line.

16. In an aerial conveyer system, the combination of a carrier support; a carrier on the support; a skidding line running to the carrier; a trip line running to the carrier; a control line running to the carrier; aslack pulling line running to the carrier; a clamp on the carrier controlled by the control line adapted to engage and lock the skiddingline With the carrier; and a continuously actuated yielding driving mechanism for the slack pulling line.

17. In an aerial conveyer system, the combinationof'a cam i e rfil'ipport a carrie on the support; a sk1dd1 ng11ne runnmg to the carmen ;'a line running to the Carma a control hnc runnlng to tho'carner a slack pullcariior controlled by the control line aclapted .lto cngag and lock the skidding line with the carrier;

a continuously actuated yielding driving decha'nislm for the slackpulling line;

and a cont nuously mutated-yielding driving mechanls'm for the control 1111c.

pulling line the su'ppoit; a ki'ddihg' line fumiingi'to the carrier; a trip lino rtinning to the carr irja control line running to-the carrierfa slack running to the caflicr [a clamp on the carrier 'controll edl by the com-r01 line adapted to engagexn'd lock the'skidd ing Hue With'thc carrier; a continuously actuated yielding driving mechanis for the slack pulling line; and means for Varying the drivf ing force of said mechanism.

in testimony 'Whcrof I havc'he'reunto' Set,

my hand. 

